document.write( "Question 1114069: Helen is 54 years old. Her mom is 80 years old. How many years ago was Helen’s mom three times Helen’s age? \n" ); document.write( "
Algebra.Com's Answer #729074 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Informally.... \n" ); document.write( "The difference in their ages is 80-54 = 26 years. \n" ); document.write( "When Helen's mother was three times as old as Helen, the difference in their ages was twice Helen's age. (3x-x = 2x) \n" ); document.write( "2x=26 --> x=13; when Helen's mother was 3 times as old as Helen, Helen was 13. \n" ); document.write( "Since Helen is now 54, that was 41 years ago. \n" ); document.write( " |